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Round|Lab Grown|IGI

3.00ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG502152150

Shape and cutting style on the report: Round brilliant

Certificate IGI LG502152150

Diamond specifications and retailer prices

From £357 GBP
As of November 5, 2026
Save £1,088 GBP (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,630 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG502152150 or 502152150. Listed at 20 retailers as of November 4, 2026, with a 304% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502152150
Dimensions9.33 × 9.39 × 5.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.33 mm9.39 mm3.00 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502152150
Side View
Table 59.0%Crown 31.8°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,630 GBP|Low: £308 GBP|High: £1,648 GBP|Avg: £863 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
November 5, 2026
Retailer 17£357 GBP
Retailer 3£400 GBP
Retailer 6£400 GBP
Retailer 18£443 GBP
Retailer 10£484 GBP
Retailer 16£546 GBP
Retailer 15£594 GBP
Retailer 5£661 GBP
Retailer 13£677 GBP
Retailer 8£821 GBP
Retailer 14£961 GBP
Retailer 11£996 GBP
Retailer 12£1,191 GBP
Retailer 2£1,256 GBP
Retailer 4£1,404 GBP
Retailer 7£1,424 GBP
Retailer 9£1,445 GBP
MOH London£1,630 GBP

31 data points across 18 retailers

20 retailers£357 GBP to £1,445 GBP

A
Cheapest Retailer
-
£357 GBP
A
Retailer 2
-
£400 GBP
View
A
Retailer 3
-
£400 GBP
View
Final sale: no returns
A
Retailer 4
-
£443 GBP
View
Retailer 5
-
£443 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
£484 GBP
View
A
Retailer 7
-
£546 GBP
View
B+
Retailer 8
-
£594 GBP
View
B+
Retailer 9
-
£661 GBP
View
A
Retailer 10
-
£677 GBP
View
B+
Retailer 11
-
£821 GBP
View
B+
Retailer 12
-
£961 GBP
View
B+
Retailer 13
-
£996 GBP
View
B+
Retailer 14
-
£1,047 GBP
View
B+
Retailer 15
-
£1,191 GBP
View
B
Retailer 16
-
£1,256 GBP
View
B
Retailer 17
-
£1,404 GBP
View
B
Retailer 18
-
£1,424 GBP
View
B
Retailer 19
-
£1,445 GBP
View
Most Expensive
MOH London
LG502152150 · Oct 26
£1,630 GBP
View
Price last confirmed 10 days ago
19 more retailers have this diamond
Prices start from £357 GBPSave up to £1,088 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.00ct Round
£357 GBP